Phobos flies over Mars (HRSC animation)

Mars Express captured the 6 images in this animation on its orbit 6128 (October 10, 2008) using the Super Resolution Channel of its High Resolution Stereo Camera (SRC). Mars Express was 10,258 kilometers from Phobos when the series of images was taken. Phobos is visible against the backdrop of Mars. Phobos is much darker than Mars; the dark appearance of Mars suggests Phobos is near Mars' terminator (day-night boundary).